/*
 *  Copyright (c) 2019, The OpenThread Authors.
 *  All rights reserved.
 *
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 *  modification, are permitted provided that the following conditions are met:
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *  3. Neither the name of the copyright holder nor the
 *     names of its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @file
 *   This file implements an entropy source.
 *
 */

#include <openthread/platform/entropy.h>

#include "assert.h"
#include "random_qorvo.h"
#include <common/code_utils.hpp>
#include <openthread/platform/radio.h>

#define GP_COMPONENT_ID GP_COMPONENT_ID_APP

// uint8_t pseudoRandom = 0x34;

void qorvoRandomInit(void)
{
    // pseudoRandom += (uint8_t) (seed&0xFF);
}

otError otPlatEntropyGet(uint8_t *aOutput, uint16_t aOutputLength)
{
    otError error = OT_ERROR_NONE;
    assert(aOutputLength < 256);
    // uint8_t i;

    qorvoRandomGet((uint8_t *)aOutput, (uint8_t)aOutputLength);
    // for(i=0; i<aOutputLength; i++)
    // {
    //     aOutput[i] = pseudoRandom;
    //     pseudoRandom = (pseudoRandom * 97 + 1)%256;
    // }
    return error;
}